package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Employee;
import com.itheima.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;

@Slf4j
@RestController
@RequestMapping("/employee")
public class EmployeeController {
    @Autowired
    private EmployeeService employeeService;
    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee){
        String password = employee.getPassword();
        password = DigestUtils.md5DigestAsHex(password.getBytes());

        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername, employee.getUsername());
        Employee employee1 = employeeService.getOne(queryWrapper);

        if(employee1 == null) return R.error("登陆失败：用户不存在");
        if(!employee1.getPassword().equals(password)) return R.error("登陆失败：密码错误");
        if(employee1.getStatus() == 0) return R.error("登陆失败：账号已禁用");
        request.getSession().setAttribute("employee",employee1.getId());
        return R.success(employee1);
    }

    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }

    @PostMapping("")
    public R<String> save(HttpServletRequest request, @RequestBody Employee employee){
        log.info("新增员工: {}", employee.toString());

        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));
//        employee.setCreateTime(LocalDateTime.now());
//        employee.setUpdateTime(LocalDateTime.now());

        Long empId = (Long) request.getSession().getAttribute("employee");

//        employee.setCreateUser(empId);
//        employee.setUpdateUser(empId);

        employeeService.save(employee);
        return R.success("新增员工成功");
    }

    @GetMapping("/page")
    public R<Page> page(int page ,int pageSize, String name){
        log.info("page = {}, pageSize = {}, name = {}",page, pageSize, name);

        Page pageInfo = new Page(page, pageSize);

        LambdaQueryWrapper<Employee> queryWrapper = new LambdaQueryWrapper();
        queryWrapper.like(StringUtils.isNotEmpty(name), Employee::getName, name);
        queryWrapper.orderByDesc(Employee::getUpdateTime);

        employeeService.page(pageInfo, queryWrapper);
        return R.success(pageInfo);
    }

    @PutMapping("")
    public R<String> update(HttpServletRequest request, @RequestBody Employee employee){
        log.info(employee.toString());

//        employee.setUpdateTime(LocalDateTime.now());
//        employee.setUpdateUser((Long)request.getSession().getAttribute("employee"));
        employeeService.updateById(employee);

        return R.success("员工信息修改成功");
    }

    @GetMapping("/{id}")
    public R<Employee> getById(@PathVariable Long id) {
        log.info("根据id查询员工信息...");

        Employee employee = employeeService.getById(id);


        if (employee != null) {
            return R.success(employee);
        }
        return R.error("没有查询到对应员工信息");
    }
}
